Traceback (most recent call last):
  File "/home/sbu/odoo/odoo/addons/base/models/ir_http.py", line 229, in _dispatch
    result = request.dispatch()
  File "/home/sbu/odoo/odoo/http.py", line 816, in dispatch
    r = self._call_function(**self.params)
  File "/home/sbu/odoo/odoo/http.py", line 353, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/sbu/odoo/odoo/service/model.py", line 93, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/sbu/odoo/odoo/http.py", line 349, in checked_call
    result.flatten()
  File "/home/sbu/odoo/odoo/http.py", line 1243, in flatten
    self.response.append(self.render())
  File "/home/sbu/odoo/odoo/http.py", line 1236, in render
    return env["ir.ui.view"].render_template(self.template, self.qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_ui_view.py", line 1573, in render_template
    return self.browse(self.get_view_id(template)).render(values, engine)
  File "/home/sbu/odoo/addons/web_editor/models/ir_ui_view.py", line 25, in render
    return super(IrUiView, self).render(values=values, engine=engine, minimal_qcontext=minimal_qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_ui_view.py", line 1581, in render
    return self.env[engine].render(self.id, qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_qweb.py", line 58, in render
    result = super(IrQWeb, self).render(id_or_xml_id, values=values, **context)
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 260, in render
    self.compile(template, options)(self, body.append, values or {})
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 334, in _compiled_fn
    raise e
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 332, in _compiled_fn
    return compiled(self, append, new, options, log)
  File "<template>", line 1, in template_survey_survey_closed_expired_355
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 339, in _compiled_fn
    raise QWebException("Error to render compiling AST", e, path, node and etree.tostring(node[0], encoding='unicode'), name)
Exception

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/sbu/odoo/odoo/addons/base/models/ir_http.py", line 229, in _dispatch
    result = request.dispatch()
  File "/home/sbu/odoo/odoo/http.py", line 816, in dispatch
    r = self._call_function(**self.params)
  File "/home/sbu/odoo/odoo/http.py", line 353, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/sbu/odoo/odoo/service/model.py", line 93, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/sbu/odoo/odoo/http.py", line 349, in checked_call
    result.flatten()
  File "/home/sbu/odoo/odoo/http.py", line 1243, in flatten
    self.response.append(self.render())
  File "/home/sbu/odoo/odoo/http.py", line 1236, in render
    return env["ir.ui.view"].render_template(self.template, self.qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_ui_view.py", line 1573, in render_template
    return self.browse(self.get_view_id(template)).render(values, engine)
  File "/home/sbu/odoo/addons/web_editor/models/ir_ui_view.py", line 25, in render
    return super(IrUiView, self).render(values=values, engine=engine, minimal_qcontext=minimal_qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_ui_view.py", line 1581, in render
    return self.env[engine].render(self.id, qcontext)
  File "/home/sbu/odoo/odoo/addons/base/models/ir_qweb.py", line 58, in render
    result = super(IrQWeb, self).render(id_or_xml_id, values=values, **context)
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 260, in render
    self.compile(template, options)(self, body.append, values or {})
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 334, in _compiled_fn
    raise e
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 332, in _compiled_fn
    return compiled(self, append, new, options, log)
  File "<template>", line 1, in template_survey_survey_closed_expired_355
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 339, in _compiled_fn
    raise QWebException("Error to render compiling AST", e, path, node and etree.tostring(node[0], encoding='unicode'), name)
odoo.addons.base.models.qweb.QWebException: 'NoneType' object has no attribute 'access_token'
Traceback (most recent call last):
  File "/home/sbu/odoo/odoo/addons/base/models/qweb.py", line 332, in _compiled_fn
    return compiled(self, append, new, options, log)
  File "<template>", line 1, in template_survey_layout_193
AttributeError: 'NoneType' object has no attribute 'access_token'

Error to render compiling AST
AttributeError: 'NoneType' object has no attribute 'access_token'
Template: survey.layout
Path: /t/html/body/div
Node: <div id="wrapwrap" t-attf-class="#{pageName or ''}" t-att-style="('height: 100%; overflow: overlay; background: url(' + '/survey/background/%s/%s' % (survey.access_token,answer.access_token) + ') no-repeat fixed center; box-shadow: inset 0 0 0 10000px rgba(255,255,255,.7); background-size: cover;') if survey.image else 'height: 100%;    overflow: overlay;'">

            <t t-set="no_header" t-value="no_header or survey.certification"/>
            <t t-set="no_footer" t-value="no_footer or survey.certification"/>
        <header t-if="not no_header" id="top" data-anchor="true" class="o_survey_header">
                    <img class="img-responsive d-block mx-auto" t-attf-src="/web/binary/company_logo" alt="Logo"/>
                </header>
            <div id="wrap" class="oe_structure oe_empty"/>

                <main class="o_survey_main">
                    <t t-raw="0"/>
                </main>
                <footer t-if="not no_footer" id="bottom" data-anchor="true" class="bg-light o_footer">
                    <div id="footer"/>
                    <div class="o_footer_copyright">
                        <div class="container py-3">
                            <div class="row">
                                <div class="col-sm text-center text-sm-left text-muted">
                                    <t t-call="web.debug_icon"/>
                                    <span>Copyright &amp;copy;</span> <span t-field="res_company.name" itemprop="name">Company name</span>
                                </div>
                                <div class="col-sm text-center text-sm-right">
                                    <t t-call="web.brand_promotion"/>
                                </div>
                            </div>
                        </div>
                    </div>
                </footer>
            </div>